The Advantages And Disadvantages Of Roof-Mounted Attic Fans

Attic fans are very useful to anyone that is looking to add ventilation to attics that normally have issues. However, there are also disadvantages to consider. In this article, we will be going over some of the advantages and disadvantages of having roof-mounted attic fans.

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What Are They?

Roof-mounted attic fans are fans mounted on the roof in order to remove the excess warm air in the attic. Because of this, they are used to decrease the temperature within the attic and to facilitate moisture removal.


1. Protect Your Roof

One of the major advantages that can stem from this type of fan would be the ability to protect your roof. Because it can add to the ventilation of your roof, it is going to minimize the overheating of your roofing materials. This is especially useful if you have wooden shingles. After all, they can degrade over time when exposed to hot temperatures. Having a roof-mounted fan will help to enhance ventilation within your attic and subsequently help boost the lower the temperature of your roof.

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2. Keep Your Home Much More Comfortable

Another advantage that it can come with is the ability to make your home a lot more comfortable to be in. Because you will be able to decrease your attic’s temperature in the summer months, it is going to end up making a big difference to your entire home’s comfort level. Having a very hot attic is likely to transfer the heat throughout the rest of your home. It can essentially trap the hot air inside of your home which can cause it to get uncomfortable hot within it. Subsequently, it can force you to have to use a lot more air conditioning to make things comfortable again. Therefore, it can cause you to have to increase your air conditioning usage.

3. Reduce The Chance Of Mold Growth

Another major advantage would be the fact that you will be able to get rid of a lot of excess moisture within the attic. This alone can help you avoid having to worry about mold growth occurring. Mold thrives in hot and moist environments. Because of this, you want to use things like a gable fan to circulate air and to get rid of excess moisture to create an unsuitable environment for mold growth.


1. Risk Of Leaks

Anytime you make holes in your roof, you are going to run the risk of causing your roof to leak. Unfortunately, if you don’t do it properly or you don’t routinely maintain it, you will find yourself dealing with more leaks than if you never had it installed in the first place.

Overall, there are some things that you should be thinking about when you are trying to figure out whether or not you should invest in a roof-mounted attic fan installation. The truth is, it’s not for everyone. Your situation might call for a different solution. However, in the right situation, it offers plenty of advantages that make it worth considering.